MSO4000/DS4000 User’s Guide  11-11 
Chapter 11 Waveform Recording    RIGOL 
When the playback operation stops, the backlight of the stop shortcut key ( ) 
is illuminated in orange. When the playback operation is started again, the 
current number of frame of the playback displayed at the upper-right side of the 
screen will start from the “Start Frame”. 
 
6.  Turn on or off the time tag 
The time tag is used to display the absolute recording time of each frame of the 
waveform currently recorded. 
 
Press Time Tag to turn on or off the time tag information. When it is turned on, 
the time tag information (as shown in the figure below) is displayed at the 
upper-right side of the screen. 
 
 
Wherein, 
T
0
: the absolute starting time of the waveform recording in 
“Hour:Minute:Second Month Date” format.  
ΔT: the recording time deviation of the current frame of waveform relative to the 
first frame of waveform. This value changes accordingly during the waveform 
playback process. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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